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"Since 2011 I have a quadcopter running on Linux OpenWRT with a Fonera 2201. It has not PREEMPT_RT but has SCHED_FIFO priority in the process, Sleeping by default waiting for and alarm fired by itself in each loop. At 70hz main loop there is no…"

"Hi!, I don't undertand the problem 100%. Is the bottleneck in browser because h264 decompression is slow in the browser?
In my case little lag was in the camera side, but not significant. But there was a cheap and low quality one, with MJPEG.…"

"Dear David
I'm a new on the Quad's... and I'll appreciate for your response.
I have question regarding to the APM 2.5 ArduPilot and to the APM2 - GCS ground station PC application - - Telemetry / control during via…"

"I find it perfect for low cost whole control system. I'm running my copter with a Fon Fonera 2201 router as brain and Wifi as radio link. (The lack of current stability is for my scratch custom control program :)). It is not all, because router…"

"Well, control system is completely home made, because it runs into Fonera and is extremely experimental. It was my first PID tuning, and R/C experience.
Also, filter is not DCM or Kalman, but Simple Complementary :)"